Choose Source of Madness
Choose Source of Madness if it's Steam Deck Verified, so handheld play works out of the box. Source of Madness launched in 2022.
Source of Madness vs Kingdoms And Slaves
Source of Madness and Kingdoms And Slaves both land in Action on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both are Action games on Steam. Source of Madness (2022) is 4 years older than Kingdoms And Slaves (2026). Kingdoms And Slaves is currently ~65% cheaper on Steam than Source of Madness (6.99 USD vs. 19.99 USD). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Which should you pick?
Choose Kingdoms And Slaves
Choose Kingdoms And Slaves if you want an Indie, Adventure, and RPG game with Shared/Split Screen Co-op and Co-op. On Steam, it's currently about 65% cheaper on the Steam Store. Kingdoms And Slaves launched in 2026.
Both Source of Madness and Kingdoms And Slaves sit in Action on Steam and both list Multi-player, Shared/Split Screen, and Shared/Split Screen PvP, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.
Side-by-side comparison
 Source of Madness |  Kingdoms And Slaves | |
|---|---|---|
| Released | 2022 | 2026 |
| Genres | Action | Action, Indie, Adventure, RPG |
| Platforms | Windows | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | 19.99 USD | 6.99 USD |
| Steam reviews | 73.5% positive (604 reviews) | 7 reviews |
| Multiplayer | Multi-player | Multi-player, Shared/Split Screen Co-op, Co-op |
| Developers | Carry Castle | TGM |
Side by side
- Both are Action games on Steam.
- Source of Madness (2022) is 4 years older than Kingdoms And Slaves (2026).
- Kingdoms And Slaves is currently ~65% cheaper on Steam than Source of Madness (6.99 USD vs. 19.99 USD).
- Kingdoms And Slaves has co-op; Source of Madness does not.
- Source of Madness is Deck Verified on Steam Deck; Kingdoms And Slaves has no Deck rating yet.
Source of Madness vs Kingdoms And Slaves — FAQ
- Should I play Source of Madness or Kingdoms And Slaves first?
- If you want chronology, Source of Madness (2022) came out before Kingdoms And Slaves (2026). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
- Are Source of Madness and Kingdoms And Slaves similar?
- They overlap on Action on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
- Does Source of Madness run on Steam Deck?
- Yes — Source of Madness is rated Deck Verified by Valve. Kingdoms And Slaves doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.